The charge on the central metal ion in the complex[Ni(CO)₄] is
The charge on the central metal ion in the complex[Ni(CO)₄] is
Options
(a) 2 (b) 4 (c) 0 (d) 3
Correct Answer:
0
Explanation:
In case of [Ni(CO)]₄, the ligand CO is neutral thus […]
KL2009
Hair cream is an example of
Hair cream is an example of
Options
(a) gel (b) sol (c) emulsion (d) foam
Correct Answer:
emulsion
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
The half-life of a reaction is inversely proportional to the square of the
The half-life of a reaction is inversely proportional to the square of the initial concentration of the reactant. Then the order of the reaction is
Options
(a) 0 (b) 1 (c) 2 (d) 3
A solution of nickel sulphate in which nickel rod is dipped is diluted 10 times.
A solution of nickel sulphate in which nickel rod is dipped is diluted 10 times. the reduction potential of Ni at 298 K
Options
(a) decreases by 60 mV (b) decreases by 30 […]
The number of atoms per unit cell of bcc structure is
The number of atoms per unit cell of bcc structure is
Options
(a) 1 (b) 2 (c) 4 (d) 6
Correct Answer:
2
Explanation:
No explanation available. Be the first to write the […]
The molecular geometry of BF₃ is
The molecular geometry of BF₃ is
Options
(a) tetrahedral (b) pyramidal (c) square plannar (d) trigonal plannar
Correct Answer:
trigonal plannar
Explanation:
No explanation available. Be the first to write the explanation for […]
Fungus used for commercial production of SCP is
Fungus used for commercial production of SCP is
Options
(a) Brassica napus (b) Pentadiplandra brazzeana (c) Fusarium graminearum (d) Bacillus thuringiensis
Correct Answer:
Fusarium graminearum
Explanation:
No explanation available. Be the first to […]
Analyse the following pairs and identify the correct option given below.
Analyse the following pairs and identify the correct option given below. I. Chromoplasts- Contain pigments other than chloropyll II. Leucoplasts – Devoid of any pigments III. Amyloplasts – Store proteins IV. Aleuroplasts – Store oils […]
Chlorination of toluene in the presence of light and heat followed by treatment
Chlorination of toluene in the presence of light and heat followed by treatment with aqueous KOH gives
Options
(a) o-cresol (b) m-cresol (c) p-cresol (d) benzyl alcohol
Correct Answer:
benzyl alcohol
Explanation:
No […]
Which one of the following gives only one monochloro derivative
Which one of the following gives only one monochloro derivative
Options
(a) n-hexane (b) 2-methylpentane (c) 2,3-dimethylpentane (d) neo-pentane
Correct Answer:
neo-pentane
Explanation:
No explanation available. Be the first to write […]