Atomic weight of an element X is 120 when one amu is defined as `1//18th` part by weight of an element of `C^(12)`. On the same scale, atomic weight of another element Y is 72. Which of the following statement regarding X and is (are) correct?
A
On conventional scale, atomic weight of X is 80
B
On conventional scale, atomic weight of Y is 108
C
On a scale when an amu is defined to be `1//30th` of the weight of an atom of `C^(12)`, atom of `C^(12)`, atomic weight of X 200
D
On a scale when an amu is defined to be `1//15th` of the weight of an atom of `C^(12)`, atomic weight of Y is 90
Text Solution
Verified by Experts
The correct Answer is:
B, C
Topper's Solved these Questions
SOME BASIC CONCEPTS OF CHEMISTRY
IIT-JEE PREVIOUS YEAR (CHEMISTRY)|Exercise Subjective Questions|2 Videos
SOLUTIONS AND COLLIGATIVE PROPERTIES
IIT-JEE PREVIOUS YEAR (CHEMISTRY)|Exercise Assertion-Reason Type|2 Videos
STATES OF MATTER
IIT-JEE PREVIOUS YEAR (CHEMISTRY)|Exercise INTEGER_TYPE|2 Videos
Similar Questions
Explore conceptually related problems
Which of the following statement is correct about the atom of an element ?
An element of atomic mass 40 has 2,8,8,2 , as the electronic configuration. One of the following statement regarding this elements is not correct?
Which of the following is the correct squence of atomic weights of given elements?
The number of electrons in the atom of an element X is 18 and the number of neutrons is 22. Which of the following is the correct representation of an atom of this element?
Mass of one atom of the element X is 1.66xx10^(-24) g . Number of atoms in 1 g of the element is:
Weight of one atom an element is 6.44 xx 10^(23) g . Calculate g atom of elements in 40 kg .
IIT-JEE PREVIOUS YEAR (CHEMISTRY)-SOME BASIC CONCEPTS OF CHEMISTRY-Subjective Questions
