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U-LIKE SERIES-THE P-BLOCK ELEMENTS -LONG ANSWER QUESTION-II
- X2 is a greenish yellow gas with an offensive smell used in water puri...
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- X2 is a greenish yellow gas with an offensive smell used in water puri...
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- An orange solid A on heating gives a colourless gas B. The gas B in dr...
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- Arrange the following in order of property indicated for each set: ...
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- Give reasons : Solid PCl5 is an ionic compound.
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- Give reason : Most of the reactions of fluorine are exothermic .
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- Give reasons : Ozone is thermodynamically unstable.
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- Draw the structures of the following : (i) XeOF4 (ii) H4P2 O7
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- Complete the following chemical equations : F2(g) + H2O (l) to
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- Complete the following chemical equations : O3(g) + I^(-) (aq) + H2O...
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- Complete the following chemical equations : Ca3P2 (s) + H2O (l) to
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- Draw the structural formulae of the following molecules : (i) XeF4 ...
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- Assign reason for the following: Sulphur vapour is paramagnetic.
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- Assign reason for the following: Ammonia (NH3) has greater affinity ...
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- Assign reason for the following: The negative value of electron gain...
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- Assign reason for the following: SF6 is much less reactive than SF4...
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- Assign reason for the following: of the noble gas, only xenon is kno...
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- An amorphous solid "A" burns in air to form a gas "B" which turns lime...
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- On heating lead (II) nitrate gives a brown gas "A". The gas "A" on coo...
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- On heating compound (A) gives a gas (B) which is a constituent of air....
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