Dakshana Mock Test Season VI Solutions
Dakshana Mock Test Season VI Solutions
1] A molecule of Acetone has
Answer: double bond and single bond
2] In which of the following compounds, COOH is the functional group?
Answer: Butanoic acid
3] The soap molecule 'sodium stearate' has a
Answer: hydrophilic head and a hydrophobic tail
4] The name of the compound CH3CH2COCH3 is
Answer: Butanone
5] The heteroatoms present in Chloroacetic acid are
a.oxygen
b.carbon
c.hydrogen
d.chlorine
Answer: (a) and (d)
6] Heating an alcohol with molecular formula C3H8O at 443K with excess concentrated sulphuric acid results in the dehydration of alcohol to give a compound A. How many single bonds are present in compound A?
Answer: 7
7] Which of the following will undergo addition reactions?
Answer: C6H12
8] Identify 'A' in the following reaction:
CH3CH2CH2COOH + Na2CO3 → A + CO2 + H2O
Answer: CH3CH2CH2COONa
9] In diamond, each carbon atom is bonded to 4 other carbon atoms to form
Answer: a rigid, 3-dimensional structure
10] Which of the following compounds of carbon does not consist of ions?
Answer: CHCl3
11] While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
Answer: the fuel is not burning completely
12] Anion is formed if
Answer: Atom gains electrons
13] CH3CH2OH ---(Alkaline KMnO4 + Heat)---> CH3COOH
In the above reaction, alkaline KMnO4 acts as
Answer: oxidizing agent
14] Which of the following elements belongs to the same group as Barium in Modern Periodic Table?
Answer: Strontium
15] Where would you locate the element with electronic configuration 2,8,4 in the Modern Periodic Table?
Answer: Group 14
16] An element which is an essential constituent of all organic compounds belongs to
Answer: Group 14
17] The maximum number of electrons that can be accommodated in a shell depends on the formula 2n2, where 'n' is the number of the given shell from the nucleus. With this information find the total number of electrons in M shell.
Answer: 18
18] An element X from group 2 of the Periodic Table reacts with the element Y from group 17 to form a compound. Give the formula of the compound.
Answer: XY2
19] Which of the following is isoelectronic with N2?
Answer: CN-
20] Which of the following elements would gain an electron easily?
Answer: Cl
21] An element X combines with oxygen to form an oxide X2O3. This oxide is electrically conducting. Write the formula of the compound formed when X reacts with chlorine.
Answer: XCl3
22] Arrange the following elements in the order of the decreasing metallic character.
Na, Si, Cl, Mg, Al
Answer: Na > Mg > Al > Si > Cl
23] Which among the following elements has the largest atomic radii?
Answer: Cs
24] Arrange halogens in increasing order of their electron affinity.
Answer: Cl > F > Br > I
25] Isotones possess
Answer: Same number of neutrons
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