Page 2 - HA
P. 2
Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct
explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect.
Q.4
Assertion (A) : Iso-butane is the isomer of C 4H 10 .
Reason (R) : Iso-butane has four C and ten-H atom.
Q.5 Assertion (A) : Isomers have same chemical properties.
Reason (R): Isomers are molecules with the same chemical formula, but
different chemical structures.
Subjective-
S.L Questions Mark Skill
No.
Q.1 1 R
Do Isomers have same chemical properties?
Q.2 1 u
Write down any two Characteristics of isomers.
Q.3 a) What do you understand by the term isomers? 3 R+
A
b) Draw the structure of two isomers of butane.
Q.4 “We cannot have isomers of first three members of alkane series.” 3 U+
Give reason to justify this statement. Draw the structures of two A
isomers of pentane, C 5H 12. [CBSE2013]
Q.5 5 HO
You are given balls and stick model of six carbon T
atoms and fourteen hydrogen atoms and sufficient number of
sticks. In how many ways one can join the models of six carbon
atoms and fourteen hydrogen atoms to form different molecules
of C 6H 14. [CBSE Sample Paper 2017-2018]
----------------------------------------------------------------------------------------------------------------
2
