Answer 4&7

Q: Which of the following group 14 (Ciroup IV) elernent/compounds have giant govalent lattices? I SiO:…

A: The electropositivity of the  elements down the group increases and the tendency to form ionic bond…

Q: J 5

A:

Q: a. Draw the Lewis StruUcture of the following molecules. b. Write the Electronegativity…

A:

Q: 13. A sample of 0.050 mol of NaOH is added to a solution containing 0.100 mol of acetic acid…

A: Two types of buffer solution are generally used ----- 1. Acidic buffer (made of weak acid and its…

Q: Need answer step by step

A: Given that the peak area of the commercial insect repellent is higher than the highest standard,…

Q: Question 5 (6.54 x 104)3 =?

A: Given : (6.54 X 10-4 )3

Q: 42. Given the following redox potentials; Electrode E° (V) ½ 1: (aq)/l" (aq) Fe" (aq)/Fe²* (aq) ½…

A: We have to.tell which of the following option is correct

Q: Draw the missing products or reagents in the following multistep synthesis. Ignore any inorganic…

A: The given reaction is completed in six step.Bromination on alken, elimination by NaNH2, reduction by…

Q: Given the chemical equation for the ionization of water H2O(1) =H*(aq) + OH (aq) Predict the…

A: Addition of product shifts the equilibrium to the left while addition of reactant shifts shifts the…

Q: COH H2SO4 (cat) NaOH HO CH3OH B CH3OH 4. H2SO4 (cat) OCH3 H2SO4 (cat) D+E C H20 H20 NaOH G +H H20…

A:

Q: 20. The reaction [Co(H,O)"(aq) + 4Cr(aq) = pink (COCLJ*(aq) + 6H,0(1) blue is exothermic in the…

A: Here our desired product is on the left side of the reaction. Thus we need to ensure that product…

Q: 1 Optically active 2 Capable of forming a zv neutral solution id

A: 2-aminopranoic acid is given and three statements are given and asked which is/are true.

Q: What type of bond(s) exists in sodium tetrahydridoborat br sodium bortthariride, lonic bonds…

A: Ionic bond - ionic bond is electrostatic force of attraction between two oppositely charged ions.…

Q: > Y 1. (125)

A: Here the concept of Miller indices will be applied

Q: Lowest melting point Answer Bank

A: Lattice energy depends on distance between two ions ( cation and anion ) and also depends on charge…

Q: k. Comment on the AH values for the reaction of HCl + NaOH (65.8 kJ/mol) and of HNO, + NaOH (56.1…

A: Overall enthalpy of neutralization is the enthalpy of neutralization + enthalpy of ionization of…

Q: Which of the following factors will affect the value of the equilibrium constant, Kc for the…

A: Using le - chateleir principle, effect of concentration, pressure and temperature at chemical…

Q: 2. Calculate the length of the line, in meters, that models octatetraene (m-8) L= m Submit Answer…

A: To find out: 1. Length of the line in m for octatetraene (n=8) 2. Wavelength (in nm) that is…

Q: 10. What is the pll of a solution that is 0.40 M in HCN? The K, for HCN is 4.0x100 a. 0.40 b. 9.40…

A: Dissociation constant, Ka=4.0×10-10Concentration HCN = 0.4 M HCN is a weak acid. In solution it…

Q: 32. The product(s) obtained from the ozonolysis of the alkene, (CH3)¿C=CH2 is (are), НСНО CH;COCH,…

A: We have to find the products from the  ozonolysis of the alkene [(CH3)2 C = CH2 ]

Q: I didnt get the answer right.

A: Given:  Radius = 149 pm= 1.49 × 10-10 cm The volume of the unit cell is needed to be find out if X…

Q: urgent ... i need just corect option

A: The reaction mechanism of cyclohexanone with ethylene glycol is as follows:

Q: In which of the following complex ions is 1the ligand bidentate? 39. I (CI(NH)". 3 3 (Ni…

A: Ligands in given compounds are, 1. NH3  2.C2O4 3. H2NCH2CH2NH2

Q: Use the exponent (EE) functionality on your calculator to do these calculations (a & c should be…

A: Significant figures of the answer will be two significant figures as the questions have .

Q: N-H D =C13 2) Ht HỌC NGH -CH₂ H₂02/ heat -CH₂OH Na₂Cr₂O7 H+

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: show-all-working-explaining-detailly-each-step Answer should be typewritten using a computer…

A: Given:  Propan-1-ol (CH3CH2CH2OH) and ethanol (CH3CH2OH) would differ in their reactions with PCl5,…

Q: correct

A: In this organic reaction, 3-methyl hex-3-ene is treated with H2O/H2SO4. Such reaction is called acid…

Q: thishelPS ot a lecomeabetter Teaving b) 1. TSCI, pyridine Irouf 2. HO. N. .CO2CH3 ebookat :list SH…

A:

Q: Which of the following properties of Group I elements decrease(s) with increasing atoinic number? 1…

A: An atomic number of an element is given by its number of protons present in the nucleous. As the…

Q: show-all-working-explaining-detailly-each-step

A: Anomalous behaviour means something different.Any element show different properties From other…

Q: Which of the following processes is (are) exothernic? I O(s) + é - O'(s) 2 O(g) - O'(g) + é 3 OKg) +…

A: Electron gain enthalpy: It is defined as the amount of energy released when an electron is added to…

Q: 35. be deduced from the rate equation of the reaction, CH;COCH, + I2 → CH;COCH21 + H* +F given by…

A: The order of a reaction is defined as the sum of of the powers to which the concentration terms are…

Q: The properties of the compound H HHH H н- с— ҫ- с-с-с-с H он он он Он он include: It has 4…

A: Asymmetric carbon :-  A carbon atom which is bonded to four different atoms or groups is called…

Q: 41. The graph of boiling point against hydrides of Group 14.15.16, !7 (Group IV. V. VI. VII) reveals…

A: Boling  point  direct  proportional  to surface  area and  intermolecular  force  of interactions.

Q: Perform the Q-test on the following percent KHP values: 35.87 % 36.40 % 37.04 % 39.98 % Select all…

A: Q test is used to identify outlier within the test data. (1) Arrange in increasing order of…

Q: Perform the Q-test on the following percent KHP values: 30.97 % 35.99 % 36.54 % 37.22 % Select all…

A: Given data: Percentage of KHP: 30.97 %, 35.99 %, 36.54 %, 37.22 %

Q: In Figure 7 above, the 3 columns represent 3 different samples. Which column(s) represent pure…

A: Concept:  TLC gives us an idea about the presence of the compound in the column or test tube. Single…

Q: For the reaction A + B →→C+D, • Trial 1: [A] = 1.0 M, [B] = 2.0 M, rate = 0.0010 M/s 0.0040 M/s…

A:

Q: . The Rutherford gold-foil experiment led to the discovery of I The electron 2 The neutron 3 The…

A: Rutherford experiment only told about the positive charge nucleus and its properties. neither…

Q: 2. Reaction of A + B → C + D А, М В, М Rate, M/s 2.52 x 105 1.25 x 10-5 1.25 x 10-5 Run 1 .20 .042…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is the correct IUPAC name for 1. N 2. 3. СН3СН 3 | CH3CH₂CHCH₂CHCH3 H3C CH3

A:

Q: In which of the following reaction(s) will AH be positive? 1 2 -ə + (8).0 O(g) O(g) O(g) +e O'(g) +e…

A:

Q: Some species which have five unpairec clcetrons in the 3d subshell include I A manganese atom 2 An…

A: The question is based on the concept of electronic configuration . We have to identify the atoms or…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free…

A:

Q: Identify the conjugate acids in the following acids-base equilibrium (Fe(H;O)«]*(aq) + H20(1) =…

A: An acid is defined as the substance or a species that can donate protons in a solution whereas a…