The number of moles of proton which can be easily given by butyne-1 (1 mole) is
1
2
3
6
A.
1
The structure of butyne-1 is given below
H-C≡C-CH2-CH3
If triple bond bearing carbon attached with hydrogen, such hydrogen is acidic in nature. Number of this type of hydrogen present in butyne-1 is one.
Formation of 2-butene as major product by dehydation of 2-butanol is according to
Markownikoff's rule
Saytzeff's rule
Peroxide effect
Anti-Markownikoffs rule
Which of the ions having following electronic structure would have maximum magnetic moment?
1s2, 2s2, 2p6,3s2,3p6,3d3
1s2, 2s2, 2p6,3s2,3p6,3d5
1s2, 2s2, 2p6,3s2,3p6,3d7
1s2, 2s2, 2p6,3s2,3p6,3d9
Chlorine atom differs from chloride in the number of which of the following?
Protons
Neutrons
Electrons
Both (a) and (c)
The vapour pressure ofa pure liquid 'A' is 0.80 atm. When a non-volatile solute 'B' is dissolved in 'A' its vapour pressure becomes 0.60 atm. The mole fraction of 'B' in the solution is
0.125
0.25
0.50
0.75
Which of the following does not show negative deviation from Raoult's law?
Acetone -Chloroform
Acetone-Benzene
Chloroform- Ether
Chloroform- Benzene
In CsCl structure, the coordination number of Cs+ is
equal to that of Cl, that is 6
equal to that of Cl, that is 8
not equal to that of Cl, that is 6
not equal to that of Cl, that is 8