P-Block Elements Group 13 to 18-Group 15 (NEET Chemistry): Questions 7 - 10 of 10

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Question number: 7

» P-Block Elements Group 13 to 18 » Group 15 » Oxides and Oxoacids of Phosphorus

MCQ▾

Question

The oxyacid of phosphorus in which phosphorus has the lowest oxidation state is?

Choices

Choice (4) Response

a.

Pyro phosphoric acid

b.

Hypo phosphorus acid

c.

Meta phosphoric acid

d.

Ortho phosphoric acid

Question number: 8

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

MCQ▾

Question

Blue liquid which is formed at -300C by mixing of two gases is?

Choices

Choice (4) Response

a.

N2O4

b.

N2O

c.

N2O3

d.

N2O5

Question number: 9

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

MCQ▾

Question

Which of the following is correct?

Choices

Choice (4) Response

a.

NO2 on reaction with NaOH gives a mixture of two salts

b.

NO2 is a sweet smelling and is angular in shape

c.

N2O is a laughing gas is angular in shape

d.

NO is a colourless gas and acid in nature

Question number: 10

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

MCQ▾

Question

Ammonia will be obtained in?

Choices

Choice (4) Response

a.

CaCN2+3H2O

b.

NH4H2PO4

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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