317952
In the preparation of alkanes from hydrogenation of alkenes and alkynes, finely divided catalysts are used. Which of the following statement(s) is/are correct regarding these catalysts?
(I) Platinum and palladium catalyze the reaction at room temperature.
(II) Nickel catalyzes the reaction at relatively higher temperature and pressure.
(III) Platinum and palladium catalyze the reaction at higher temperature.
317953
Which of the following statements are correct regarding Kolbe's electrolytic process?
I. Alkanes containing even number of C-atoms are prepared.
II. Sodium or potassium salts of carboxylic acids are taken as substrate.
III. Methane can be prepared by this method.
IV. \(\mathrm{H}_{2}\) gas is liberated at anode.
Choose the correct statement.
317952
In the preparation of alkanes from hydrogenation of alkenes and alkynes, finely divided catalysts are used. Which of the following statement(s) is/are correct regarding these catalysts?
(I) Platinum and palladium catalyze the reaction at room temperature.
(II) Nickel catalyzes the reaction at relatively higher temperature and pressure.
(III) Platinum and palladium catalyze the reaction at higher temperature.
317953
Which of the following statements are correct regarding Kolbe's electrolytic process?
I. Alkanes containing even number of C-atoms are prepared.
II. Sodium or potassium salts of carboxylic acids are taken as substrate.
III. Methane can be prepared by this method.
IV. \(\mathrm{H}_{2}\) gas is liberated at anode.
Choose the correct statement.
317952
In the preparation of alkanes from hydrogenation of alkenes and alkynes, finely divided catalysts are used. Which of the following statement(s) is/are correct regarding these catalysts?
(I) Platinum and palladium catalyze the reaction at room temperature.
(II) Nickel catalyzes the reaction at relatively higher temperature and pressure.
(III) Platinum and palladium catalyze the reaction at higher temperature.
317953
Which of the following statements are correct regarding Kolbe's electrolytic process?
I. Alkanes containing even number of C-atoms are prepared.
II. Sodium or potassium salts of carboxylic acids are taken as substrate.
III. Methane can be prepared by this method.
IV. \(\mathrm{H}_{2}\) gas is liberated at anode.
Choose the correct statement.
317952
In the preparation of alkanes from hydrogenation of alkenes and alkynes, finely divided catalysts are used. Which of the following statement(s) is/are correct regarding these catalysts?
(I) Platinum and palladium catalyze the reaction at room temperature.
(II) Nickel catalyzes the reaction at relatively higher temperature and pressure.
(III) Platinum and palladium catalyze the reaction at higher temperature.
317953
Which of the following statements are correct regarding Kolbe's electrolytic process?
I. Alkanes containing even number of C-atoms are prepared.
II. Sodium or potassium salts of carboxylic acids are taken as substrate.
III. Methane can be prepared by this method.
IV. \(\mathrm{H}_{2}\) gas is liberated at anode.
Choose the correct statement.