AIPMT 2014 | Structure of Atom Question 27 | Chemistry

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AIPMT 2014

MCQ (Single Correct Answer)

-1

Be²⁺ is isoelectronic with which of the following ions ?

H⁺

Li⁺

Na⁺

Mg²⁺

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

The outer electronic configuration of Gd (At. No. 64) is

4f⁵ 5d⁴ 6s¹

4f⁷ 5d¹ 6s²

4f³ 5d⁵ 6s²

4f⁴ 5d⁵ 6s¹

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

According to law of photochemical equivalence the energy absorbed (in ergs/mole) is given as (h = 6.62 $$ \times $$ 10^$$-$$27 ergs, c = 3 $$ \times $$ 10¹⁰ cm s^$$-$$1, N_A = 6.02 $$ \times $$ 10^$$-$$23 mol^$$-$$1)

$${{1.196 \times {{10}^8}} \over \lambda }$$

$${{2.859 \times {{10}^5}} \over \lambda }$$

$${{2.859 \times {{10}^{16}}} \over \lambda }$$

$${{1.196 \times {{10}^{16}}} \over \lambda }$$

NEET 2013

MCQ (Single Correct Answer)

-1

What is the maximum numbers of electrons that can be associated with the following set of quantum numbers ?
n = 3, $$l$$ = 1 and m = $$-$$ 1

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution