S Block Elements (Alkali and Alkaline Earth Metals) Chapter 10

important questions class 11 chemistry chapter 10 s block elements alkali alkaline earth metals 1

The correct sequence of decrease in the bond angles of the following hydrides is

N H_{3} > P H_{3} > A s H_{3} > S b H_{3}

N H_{3} > A s H_{3} > P H_{3} > S b H_{3}

S b H_{3} > A s H_{3} > P H_{3} > N H_{3}

P H_{3} > N H_{3} > A s H_{3} > S b H_{3}

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s -Block Elements (Alkali and Alkaline Earth Metals) Chapter 10