Catalytic Transfer Hydrogenation
Trending Questions
Q. Which one of the following alkenes will react faster with H2 under catalytic hydrogenation condition?
Q. In which of the following compound transition metal has zero oxidation state
- CrO5
- NH2NH2
- NOClO4
- [Fe(CO)5]
Q. Which of the following alkenes will react faster with H2 under catalytic hydrogenation conditions?
Q.
Ethene reacts with hydrogen to form ____________.
Q. One mole of a hydrocarbon of formula C6H10 can absorb one mole of H2 upon catalytic hydrogenation. The hydrocarbon is .
- Cyclohexene
- Benzene
- Cyclohexane
Q. (A) HOCl+H2O2→H3O++Cl−+O2
(B) I2+H2O2+2OH−→2I−+2H2O+O−2
Choose the correct option.
(B) I2+H2O2+2OH−→2I−+2H2O+O−2
Choose the correct option.
- H2O2 acts as oxidising agent in equations (A) and (B).
- H2O2 act as oxidizing and reducing agent respectively in equation (A) and (B).
- H2O2 acts as reducing agent in equations (A) and (B).
- H2O2 acts as reducing and oxidising agent respectively in equationa (A) and (B).
Q.
Amongst the following identify the species with an atom in + 6 oxidation state:
MnO4-
Cr(CN)63-
NiF62-
CrO2Cl2
Q. The oxidation state of chromium in the final product formed by the reaction between KI and acidified potassium dichromate solution is
- 2
- 3
- +4
- 6
Q. Which of the following reacts with phenol to give salicyladehyde after hydrolysis?
- Dichloro methane
- Trichloro methane
- Methyl chloride
- None of the above
Q.
A, B and C are three elements forming a part of compound in oxidation states of +2, +5 and - 2 respectively. What could be the compound?
A2(BC2)3
A3(BC4)2
ABC
A2(BC2)
Q. It requires 40 mL of 1 M Ce4+ to titrate 20 mL of 1 M Sn2+toSn4+. What is the magnitude of the oxidation state of cerium in the product?
Q. CH2=CH2+H2Ni⟶CH3−CH3
The above reaction is known as:
The above reaction is known as:
- Kolbe's electrolysis
- Wurtz reaction
- Sabatier-Senderens reaction
- None of the above
Q. The oxidation number Ba in barium peroxide is
- 6
- 2
- 1
- 4
Q. One mole of a hydrocarbon of formula C6H10 can absorb one mole of H2 upon catalytic hydrogenation. The hydrocarbon is .
- Cyclohexene
- Benzene
- Cyclohexane
Q. Which metal exhibits more than one oxidation state in its compounds?
- Na
- Al
- Mg
- Fe
Q. 1 mole of N2H4 loses 10 mole of electrons to form a new compound Y. Assuming that all the nitrogen appear in the new compound, what is the oxidation state of Nitrogen in Y? There is no change in the oxidation state of Hydrogen.
Q. The relative stability of +1 oxidation state of group 13 element follows the order :
- Al<Ga<Tl<In
- Tl<In<Ga<Al
- Al<Ga<In<Tl
- Ga<Al<In<Tl
Q. Oxidation number of potassium in K2O, K2O2, KO2 respectively, are :
- +2, +1 and+12
- +1, +1 and+1
- +1, +4 and+2
- +1, +2 and+4
Q.
Oxidation number of nitrogen in nitrate ion is:
+2
+5
+3
+4
Q. Intermediate of above reaction is :
- :CCl2
- :CHCl
- +CHCl2
- +CCl3
Q. In dehydroha\log enation, hydrogen and ha\log en are removed from which carbons
Q. Vanaspati ghee is obtained by the vegetable oils
- hydrogenation
- substitution
- addition
- oxidation
Q. ntA compound of Xe and F is found to have 53.3% Xe (At mass =133) oxidation no of Xe in this compound is ?n ntExplain in detailn
Q. Propan−1−ol can be prepared from propene by :
- H2O/H2SO4
- Conc.H2SO4
- B2H6 followed by H2O2/OH
- CH3CO2H/H2SO4
Q. Convert Ethene into Butane.
Q. The metal used as a catalyst for the hydrogenation of unsaturated hydrocarbon is:
- Ni
- Fe
- Zn
- V
Q.
The oxidation state of chromium in the final product formed by the reaction between KI and acidified potassium dichromate solution is:
- 4
- 2
- 3
- 6
Q. Which of the following alkenes will react faster with H2 under catalytic hydrogenation conditions?
Q.
what is the oxidation number of nitrogen in nitrate and nitrite ion??
Q. The compound formed when ethene reacts with hydrogen is___.
- CH4
- C2H6
- C2H2
- C3H8