MEDIUM
AP EAPCET
IMPORTANT
Earn 100
Which of the following statements are correct for hydrides of group elements?
I) Boiling point is highest for water and lowest for hydrogen sulphide
II) Bond dissociation enthalpy is highest for water and lowest for hydrogen sulphide
III Reducing property increases from to
IV) (Enthalpy of formation) is more negative for and more positive for
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Important Questions on p- Block Elements
HARD
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IMPORTANT
Treatment of and with gives ______, ______, ______ respectively.
EASY
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IMPORTANT
The structure of Marshall's acid among the following is:
MEDIUM
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IMPORTANT
Which of the following statements is correct?
EASY
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IMPORTANT
The most electronegative element belongs to _________
HARD
AP EAPCET
IMPORTANT
Which of the following facts related to halogens is not correctly matched ?
MEDIUM
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IMPORTANT
Chlorine on reaction with excess of ammonia gives nitrogen gas along with a compound . reacts with and gives , a colourless gas with pungent smell. on reaction with excess of chlorine gives and . What is ?
EASY
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IMPORTANT
The oxide formed by iodine which is used for the estimation of carbon monoxide is ________
MEDIUM
AP EAPCET
IMPORTANT
During the process of preparation of which among the following statements are true?
(i) Bleaching powder on reaction with gives
(ii) reacts with ethanol and produces acetic acid.
(iii) Chloral is formed from the reaction of excess with acetaldehyde.
(iv) cannot hydrolyze chloral to give
