NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 842 - 848 of 1259

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Question number: 842

» Atomic Structure » Rules for Filling Electrons in Orbitals

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MCQ▾

Question

A new electron enters the orbital when?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 843

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

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MCQ▾

Question

Find the reactant A in the equation

Find the Reactant a in the Equation

The reactant A is

Choices

Choice (4)Response

a.

2methyl 2 propanol

b.

C2H5OH

c.

CH3COOH

d.

CH3COCH3

Question number: 844

» Basic Concepts in Chemistry » Concept of Atom, Molecule, Element and Compound

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MCQ▾

Question

Which one of the following phrases would be incorrect to use?

Choices

Choice (4)Response

a.

A mole of a compound

b.

An atom of an element

c.

An atom of a compound

d.

A mole of an element

Question number: 845

» Basic Concepts in Chemistry » Atomic and Molecular Masses

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MCQ▾

Question

One atom of an element weighs Calculate the number of gram atoms in of it?

Choices

Choice (4)Response

a.

400

b.

100

c.

4000

d.

1000

Question number: 846

» Organic Compounds with Halogens » Preparation, Properties and Reactions

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Appeared in Year: 2016

MCQ▾

Question

The compound that will react most readily with gaseous bromine has the formula:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 847

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

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Appeared in Year: 2016

MCQ▾

Question

The central dogma of molecular genetics states that the genetic information flows from

Choices

Choice (4)Response

a.

DNA ◊RNA ◊ Carbohydrates

b.

Amino acids ◊Proteins ◊DNA

c.

DNA ◊Carbohydrates ◊ Proteins

d.

DNA ◊RNA ◊Proteins

Question number: 848

» Hydrocarbons » Aromatic Hydrocarbons » Mechanism of Electrophilic Substitution

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Appeared in Year: 2016

MCQ▾

Question

Which of the following can be used as the halide component for Freidel –Crafts reaction?

Choices

Choice (4)Response

a.

Chloro ethene

b.

Chloro benzene

c.

Isopropyl chloride

d.

Bromo benzene

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