Question 1 Which of the following is the least active metal? O A OD O B

Q: What is the oxidation number of X in XO43-

A: The oxidation number of an atom is a number that represents the total number of electrons that an…

Q: What is the oxidation number of P in [PO3) ? Choose the correct sign (+ or -) and the correct…

A: The answer is given as follows

Q: Question 7 A through G

A:

Q: The oxidation state of Ru in RuO43- is Select one: O +3 O +5 O +6 O +4 O +2

A: The oxidation state is the hypothetical charge that an atom would have if all bonds to atoms of…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Magnesium (Mg)  is the most reactive metal out of the four given elements: Magnesium (Mg), Silver…

Q: Which of the following elements have the largest atomic radius? ON O P O S

A: We are having four element N,O,P,S . We have to decide which element is having the largest atomic…

Q: A post transition metal in group 16   on the periodic table

A: The elements which are present to the right of a transition metal and to the left of the metalloids…

Q: Which one is more acidic and why?

A: The acidity of alcohols: In alcohols, a hydrogen atom is attached to the electronegative atom oxygen…

Q: Classify the binary hydrides as ionic/metallic or covalent: HBr KH CdH2 PH3 [Choose ] [Choose ]…

A: Answer:Any compound that is made of ions is called as ionic compound.Any compound that is purely…

Q: Draw the structure of MnO2

A: Molecular geometry is the 3-D representation of the molecule in a space. As the Lewis model is not…

Q: Based on what you know about hydrides, classify AIH3 it is an ionic hydride containing discrete Al3+…

A: Hydridea can be defined as the compounds in which hydrogen is combined with another element.

Q: Which first row transition metal has six unpaired electrons? O Sc O Ti OV O Cr O Mn O Fe Co O Ni O…

A: We can predict no. of unpaired electrons in an atom by writing electronic configuration of each atom…

Q: What is the oxidation number of phosphorus in Ni3(PO4)2?     +4                         +3…

A:

Q: Question six

A: Reduction of Nickel (II) oxide to Nickel Metal:

Q: 12. What are the products of the reaction? Bra 3 e OMe E2 SB

A: We have to predict the correct product.

Q: BY BY2, hD NOOH Cae) ( Cyclopentane) SM2 он pcC, THE BY BY2 ACOH t'Buok JEBuott E2 Reoction ( dip -…

A: In the first step bromination takes place in presence of sunlight with the production of free…

Q: Question 23 Which of the following elements has the greatest electron affinity? Rb Na C1

A: electron affinity decreases down the group and increases along the period.

Q: Ca (a) 3 8.

A:

Q: Range from the most reactive metal from least reactive: Ag, Cu, Zn, Pb, Mg

A: Given metals are : Ag, Cu, Zn, Pb, Mg  Arrange from most reactive metal to least reactive metal.…

Q: What is the oxidation number of arsenic in K3AsO4? O +6 O +3 O +5 O +8

A:

Q: What happens to the pH when sodium fluoride is dissolved in water? The pH is acidic as the water…

A: When sodium fluoride is dissolved in water.

Q: arrange the following species by decreasing strength as an oxidizing agent: Zn2+, F2, Cu+, Mg2+

A: Electrochemical Series gives information about the standard reduction potential of different…

Q: is a metal? As CI K F

A: We know that metals are elements that readily forms positive ions(cations) and has metallic bonds .…

Q: All the following salts are alkaline except   LiClO   NH4NO3   SrCrO4   K2HPO4

A: Salts can be acidic, basic or neutral. The salts of strong acid and strong base are neutral. The…

Q: Electric bulb Y - Dilute sulphuric acid

A:

Q: Which of the following atoms is the most active metal? All can be found in the 5th row. Rb -…

A: Active metal - element easily donate electron and highly reactive

Q: Select the correct statement(s) in regard to acid strength.Choose one or more: HOBrO is less acidic…

A: For hydroxides, acidity decreases from top to bottom.  Therefore, HOBr is less acidic than HOCl.…

Q: What is the oxidation number of phosphorus in H3PO4? O-3 O +3 O +5 O +4

A: