NEET Chemistry: Questions 268 - 274 of 1145

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Question number: 268

» P-Block Elements Group 13 to 18 » Group 18 » Noble Gases

MCQ▾

Question

The element having highest ionization potential is?

Choices

Choice (4) Response

a.

Hydrogen

b.

Helium

c.

Nitrogen

d.

Oxygen

Question number: 269

» Atomic Structure » Spin Quantum Number

MCQ▾

Question

The maximum number of atomic orbitals associated with a principal quantum number 3 is

Choices

Choice (4) Response

a.

9

b.

16

c.

12

d.

25

Question number: 270

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

In acting as a reducing agent, a piece of metal M weighing 20 grams gives up Equation electrons. What is the equivalent weight of the metal?

Choices

Choice (4) Response

a.

36.50

b.

83.32

c.

32

d.

42.83

Question number: 271

» P-Block Elements Group 13 to 18 » Group 17 » Hydrogen Halides

MCQ▾

Question

HBr and HI cannot be prepared by heating bromides and iodides with concentrated H2SO4 because?

Choices

Choice (4) Response

a.

HBr and HI are weak oxidizing agent

b.

HBr and HI are strong reducing agents

c.

HBr and HI are weak reducing agent

d.

HBr and HI are strong oxidizing agents

Question number: 272

» P-Block Elements Group 13 to 18 » Group 16 » Allotropic Forms of Sulphur

MCQ▾

Question

Water is liquid while H2S is a gas, why?

Choices

Choice (4) Response

a.

The oxygen is more electronegative than Sulphur

b.

H-S bond is weaker than H-O bond

c.

Hydrogen bonding present in H2O

d.

Both a. and c. are correct

Question number: 273

» Basic Concepts in Chemistry » Empirical and Molecular Formulae

MCQ▾

Question

The equivalent wt. of a metal is double that of oxygen. How many times is weight of its oxide greater than the wt. of metal?

Choices

Choice (4) Response

a.

1.5

b.

0.25

c.

3

d.

2

Question number: 274

» Atomic Structure » Hund's Rule

MCQ▾

Question

For a given electron configuration, the term with maximum multiplicity has the lowest energy. This rule was proposed by-

Choices

Choice (4) Response

a.

Aufbau

b.

Dalton

c.

Hund

d.

Pauli

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