For two ionic solids CaO and KI, identify the wrong statements among the following
Options
(a) CaO has high melting point (b) lattice energy of CaO is much larger than that of KI […]
Baeyer’s reagent is used in the laboratory for
Options
(a) oxidation process (b) detection of glucose (c) detection of double bond (d) reduction process
Correct Answer:
detection of double bond
Explanation:
Baeyers test is […]
The structure of benzene is
Options
(a) tetrahedral (b) planar (c) trigonal bipyramidal (d) linear
Correct Answer:
planar
Explanation:
The most commonly encountered aromatic compound is benzene. The usual structural representation for benzene […]
The IUPAC name of the compound having the formula CCl₃CH₂CHO is
Options
(a) 2,2,2-trichloropropanal (b) 1,1,1-trichloropropanal (c) 3,3,3-trichloropropanal (d) 1,2,1-dichloromethanal
Correct Answer:
3,3,3-trichloropropanal
Explanation:
No explanation available. Be the first to write the […]
Vapour density of a gas is 22. What is its molecular weight
Options
(a) 33 (b) 22 (c) 44 (d) 11
Correct Answer:
44
Explanation:
No explanation available. Be the first to write […]
NaOH is prepared by the electrolysis of
Options
(a) aqueous solution of sodium chloride with platinum electrode (b) sodium chloride solution with graphite anode and iron cathode (c) sodium carbonate with platinum electrodes […]
This radical can be identified by Borax bead test is
Options
(a) Mg²⁺ (b) Ca²⁺ (c) Cu⁺ (d) Cu²⁺
Correct Answer:
Cu²⁺
Explanation:
No explanation available. Be the first to write the explanation […]
The oxide,which can not act as a reducing agent, is
Options
(a) CO₂ (b) ClO₂ (c) NO₂ (d) SO₂
Correct Answer:
CO₂
Explanation:
No explanation available. Be the first to write the explanation […]
If an atom is reduced, its oxidation number
Options
(a) does not change (b) increases (c) sharply decreases (d) slightly decreases
Correct Answer:
sharply decreases
Explanation:
No explanation available. Be the first to […]
pH of pure water is
Options
(a) pressuredependent (b) temperature independent (c) temperature dependent (d) none of these
Correct Answer:
temperature dependent
Explanation:
No explanation available. Be the first to write the explanation […]
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