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प्रश्न
Give the general group characteristic applied to hydrogen with respect to similarity in properties of hydrogen with alkali metals of group 1 [IA]. With special reference to valency electrons & ion formation.
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उत्तर
- Electronic Configuration — Valency electron - one valence electron e.g., H = 1; Li = 2, 1; Na = 2, 8, 1; K = 2, 8, 8, 1
- Ion Formation — Electropositive character exhibited.
H – 1e– ⟶ H1+
Li – 1e– ⟶ Li1+
Na – 1e– ⟶ Na1+ - Valency — Electrovalency of 'one' exhibited. H1+, Li1+, Na1+
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संबंधित प्रश्न
Compare hydrogen with alkali metals on the basis of:
Ion formation
Choose the correct option:
Which metal absorbs hydrogen?
Choose terms from the options given in brackets to complete this sentence.
Metals like …………….. , ……………… and ……………… give H2 with steam.
(iron, magnesium, aluminium, sodium, calcium)
Correct the following statement:
All metals react with acids to give hydrogen.
Give a balanced equation for obtaining hydrogen from?
Boiling water using a divalent metal
Give a reason for the following.
Hydrogen and alkali metals of group 1 [IA] react with copper [II] oxide to give copper.
