CPO 22: Date: 11/11/2022, Shift 2


Question 1


Which of the following statement is NOT correct regarding the alkali metals?

क्षार धातुओं के संबंध में निम्नलिखित में से कौन सा कथन सही नहीं है?

Options

A

The ionization enthalpies of the alkali metals are considerably low and decrease down the group from.

The ionization enthalpies of the alkali metals are considerably low and decrease down the group from.

B

All the alkali metals are silvery white, soft and light metals.

All the alkali metals are silvery white, soft and light metals.

C

Group 1 metals are known as alkali metals.

Group 1 metals are known as alkali metals.

D

All the alkali metals have two valence electrons.

All the alkali metals have two valence electrons.


Solution:

Correct Answer:

D

All the alkali metals have two valence electrons.

सभी क्षार धातुओं में दो संयोजकता इलेक्ट्रॉन होते हैं।


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