Maths JEE Main Full Syllabus Mock Test 75 Question New Syllabus. TEST 14 PCM Single Correct MCQ
Published on: August 13, 2026

Which of the statement is False?

A
In 3d series, there is a regular increase in the first ionisation enthalpy of transition elements from left to right.
B
In 3d series, the value of standard electrode potential (E/V) for M/M 2+ decreases in the order .
C
The decreases in mctallic radius coupled with increase in atomic mass results in a general increase in the density of transition elements from Ti to Cu .
D
The higher oxidation state are generally favoured by the heavier elements (i.e. heavier members) in the groups of d-block.

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The correct answer is:
A

There is irregular trend in the first ionisation enthalpy of the 3d metals.

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