6-16 The difference between melting point and boiling point (° C) is given below for each of the Group IIB halides. F CI Br Zn 630 640 405 390 25 355 300 80 285 405 100 Hg What deductions can you draw?

Q: Q2 (a)Explain why the following reaction is exothermic based on your knowledge of both bond enthalpy…

A: Enthalpy of  reaction - Is the amount of  heat evolved during the progression of a chemical…

Q: Draw Lewis structures, 3-D structures, and the name of the electron group geometry and molecular…

A: A polyatomic cation is given as an ammonium cation, NH4+.A polyatomic anion is given as NO3-.i) We…

Q: . C₂H₁₁OH + O₂ →→→→H₂O + CO₂ (This equation rep- resents the combustion of amyl alcohol.)

A: We know that, In a chemical reaction Number of atoms of each element are remain same both side.…

Q: What is the compound X that would be in the product: BICH CH CI NaN CHI H,O DMSO K.CO

A: Active methylene compounds are those the -CH2- is sandwiched between electron withdrawing groups.…

Q: (4e-101) in the Lewis structure for carbon monoxide, what is the hybridization of the oxygen atom,…

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Q: Complete the chemical reaction Identify the conjugate pairs   H2SO4 + H2O ===​   CH3COOH + H2O…

A: Acid : An acid is a chemical species that donates a hydrogen ion H+ when dissolved in an aqueous…

Q: 7. Draw three valid Lewis structures for HNPH and predict the most likely HNP and NPH bond angles.…

A: To identify the Lewis structures, initially, the total number of valence electrons is calculated…

Q: Oxyacids Choose the best Lewis structure for sulfurous acid H₂SO3. (a) (b) :0: H-Ö- -Ö-H Select one:…

A: Given,The Lewis structures of H2SO3 are:

Q: Silicon Zinc

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Q: On 6b, why are the two Br on the 2nd carbon and not the 3rd??

A: Here Markovnikov's rule is followed according to which hydrogen is added to less substituted carbon…

Q: What is the dihedral (torsion) angle between the two bromine atoms in the wedge-and-dash drawing…

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Q: HBr Br + Br + Br

A: Reaction of HBr with 1,3-butadiene (CH2=CH-CH=CH2) gives two products. 1) One is (CH3-CHBr-CH=CH2),…

Q: Figure H-2 ①:0: 我 244 A : 0: P H 业 +++ B P7 大 p* $4 + sp*444 C D

A: We know that atomic orbitals mix together to form stable and lower energy orbitals called hybridized…

Q: Arrange the following cations in order of increasing stability + 1 3 4 2.

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Q: Which of the following is most likely to be a solid at room temperature? HF О H2O Na₂S N₂ NH3

A: There are two types are compounds provided in the problem. Covalent and ionic

Q: Which of the following molecules is best described as nitrile ? NH -NH NH I II III IV II OIV none of…

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Q: What is the molecular weight, formula, valence, and species in Calcium Phosphate?

A: For calcium phosphate, we have to determine molecular weight formula valence species present

Q: Select the single best answer. Considering only electron density, will the following reaction occur?…

A: Electron are the major contributors to any chemical reaction. This is because they take part in bond…

Q: CH,CIO, 25 1.30 3H,t J=7 4 20 2H.9 J=7 PPM

A: The first step involved in the structural identification of a compound is to find out the degree of…

Q: what's the optimum stucture for NH3s

A: NH3 has a pyramidal structure (on the basis of VSPER theory) where, N has sp3 hybridisation. Three…

Q: The Ka for HF is 7.0 x 10-4. Kh for the fluoride ion is O 1.6 x 103 O 1.4 x 10-11 O 7.0 x 10-18 O…

A: Ka is the acid dissociation constant and Kb is the base dissociation constant.  Higher value of Ka…

Q: Select the arrow drawing that best describes a hydride shift. нн HH + Oi O ii O iii Oiv H i HH H H…

A: In this question, we will describe the correct hydride shift.  You can see the explanation and final…

Q: Which one of the indicated hydrogens is the most acidic? 01 O II O III OV مه مل مل ة H 0 H IV H H V

A: The strength of an acid depends on the stability of its conjugate base. The more stable the…

Q: Given - 1 NiCI2 + 2 NaOH -> 1Ni(OH)2 + 2 NaCl Q. Calculate the moles of Ni(OH)2 that forms if the…

A: As we know that in a reaction, (No. of moles of substance reacted ÷ stoichiometric coefficient) =…

Q: which of these five atoms will bond with the fewest number of hydrogen atoms, and which will bond…

A: Every atom wish to achieve nearest noble gas configuration and for this, it either loses electrons…

Q: Name the bilowing compounds: HO

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Q: a nitrate ion, NO3- :-N= :ة: :Ö: -N-: ه - :Ö: - - 0: =N= :: -N-: - آن -- - :0: :0: 11 =N -- - lo=…

A: Here, we have to find the resonance structures of the nitrate ion.

Q: What is the difference between valence and core electrons, and how do they relate to atomic…

A: There are two types are electrons in an atom which are valence and core electrons. Valence electrons…

Q: With the aid of a diagram, describe the covalent bonds that an oxygen atom with atomic number 8 can…

A: When two or more elements have incomplete octet ,then if they share their valence electrons in such…

Q: If H₂O reacts with H3O+, select the atom that is the electron source. Keyboard controls i Add…

A: In the given question, H2O react with H3O+ .  We have to find atom which is electron source.

Q: Rank these ionic compounds from lowest to highest potential energy (PE). KCI, KI, KBr lowest PE KBr<…

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Q: lodine displays a number of valencies in its compounds. Select from the list below, all the…

A: Answer:When different halogen atoms combine together to form a covalent compound then such compounds…

Q: For the following pairs of ions, write the formula for the compound they will form a. Ca2+ s2- b.…

A: Given  (a) Ca2+ , S2-      Formula of Compound = ?  (b) Al3+  , Br-    Formula of compound = ?

Q: Rank the cations from least stable (left) to most stable (right). | OI<II < III III < II <I III < II…

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Q: Order the following element by increasing strength of reducing agent Electronegativity 1 2 3 4 5 6 7…

A: Oxidising agents are the species which oxidises other species and itself gets reduced. Reducing…

Q: Choose the bond below that is the weakest. C N C O Na-F Li-I Br-Br

A: The weakest bond is to be chosen among the given options-C=NC=ONa-FLi-IBr-Br