NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 864 - 869 of 1258

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Question number: 864

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

The maximum number of electron is a subshell is given by the expression?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 865

» Basic Concepts in Chemistry » Mole Concept

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MCQ▾

Question

How many moles of ions are in ?

Choices

Choice (4)Response

a.

0.20

b.

0.024

c.

0.05

d.

0.008

Question number: 866

» Organic Compounds with Oxygen » Preparation, Properties and Reactions and Uses

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MCQ▾

Question

In , A and B respectively are

(1) A is Alkyne

(2) A is alkanal

(3) B is Alkenal

(4) B is Alkene

In the following questions, more than one of the answers given are correct. Select the correct answers and mark it according to the following codes:

Choices

Choice (4)Response

a.

1 and 2 are correct

b.

2 and 4 are correct

c.

1 and 3 are correct

d.

1,2 and 3 are correct

Question number: 867

» Organic Compounds with Oxygen » Preparation, Properties and Reactions and Uses

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Assertion-Reason▾

Question

Assertion (Ꭺ)

Primary and secondary alcohols can be distinguished by Victor-Meyer’s test

Reason (Ꭱ)

Primary alcohols form nitrolic acid which dissolve in NaOH to form blood red colouration but secondary alcohols form pseudonitriles which give blue colouration with NaOH.

Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 868

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

is allowed to react with for the following reaction?

What mass of will be left unreacted at the end of reaction?

Choices

Choice (4)Response

a.

2

b.

5

c.

3

d.

4

Question number: 869

» Biomolecules » Vitamins

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MCQ▾

Question

Which of the following vitamin is known as biotin?

Choices

Choice (4)Response

a.

Vitamin

b.

Vitamin

c.

Vitamin H

d.

Vitamin K

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