Chemistry-

General

Easy

Question

# The Products (A) and (B) , respectively, are:

## The correct answer is:

### (A)HI + P reduces epoxides to alkanes

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### The cartesian equation of the plane passing through the line of intersection of the planes and and perpendicular to the plane is

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### Identify(A) and (B) in the reaction:

### Identify(A) and (B) in the reaction:

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### If then at is

### If then at is

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### In the reaction

### In the reaction

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### The product (A) formed can:

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Which of the following is the strongest oxidising agent?

Which of the following is the strongest oxidising agent?

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### Two circles with radii , touch each other externally. If be the angle between the direct common tangents, then

### Two circles with radii , touch each other externally. If be the angle between the direct common tangents, then

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In triangle ABC, medians AD and BE are drawn. If AD=4, and , then the area of the △ABC is

In triangle ABC, medians AD and BE are drawn. If AD=4, and , then the area of the △ABC is

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### Two coherent sources *S*_{1} and *S*_{2} are separated by a distance four times the wavelength of the source. The sources lie along *y* axis whereas a detector moves along + x-axis. Leaving the origin and far off points the number of points where maxima are observed is

### Two coherent sources *S*_{1} and *S*_{2} are separated by a distance four times the wavelength of the source. The sources lie along *y* axis whereas a detector moves along + x-axis. Leaving the origin and far off points the number of points where maxima are observed is

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### Two coherent sources separated by distance *d* are radiating in phase having wavelength . A detector moves in a big circle around the two sources in the plane of the two sources. The angular position of *n* = 4 interference maxima is given as

### Two coherent sources separated by distance *d* are radiating in phase having wavelength . A detector moves in a big circle around the two sources in the plane of the two sources. The angular position of *n* = 4 interference maxima is given as

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### A beam with wavelength *l* falls on a stack of partially reflecting planes with separation *d*. The angle that the beam should make with the planes so that the beams reflected from successive planes may interfere constructively is (where *n* =1, 2, ……)

### A beam with wavelength *l* falls on a stack of partially reflecting planes with separation *d*. The angle that the beam should make with the planes so that the beams reflected from successive planes may interfere constructively is (where *n* =1, 2, ……)

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### Two ideal slits and are at a distance *d* apart and illuminated by light of wavelength passing through an ideal source slit *S* placed on the line through as shown. The distance between the planes of slits and the source slit is *D*. A screen is held at a distance *D* from the plane of the slits. The minimum value of *d* for which there is darkness at *O* is

### Two ideal slits and are at a distance *d* apart and illuminated by light of wavelength passing through an ideal source slit *S* placed on the line through as shown. The distance between the planes of slits and the source slit is *D*. A screen is held at a distance *D* from the plane of the slits. The minimum value of *d* for which there is darkness at *O* is

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### A monochromatic beam of light falls on YDSE apparatus at some angle (say ) as shown in figure. A thin sheet of glass is inserted in front of the lower slit . The central bright fringe (path difference = 0) will be obtained

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### Find the sum of the infinite series

### Find the sum of the infinite series

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### In the figure is shown Young’s double slit experiment. *Q* is the position of the first bright fringe on the right side of *O*. *P* is the 11^{th} fringe on the other side, as measured from *Q.* If the wavelength of the light used is , then will be equal to

### In the figure is shown Young’s double slit experiment. *Q* is the position of the first bright fringe on the right side of *O*. *P* is the 11^{th} fringe on the other side, as measured from *Q.* If the wavelength of the light used is , then will be equal to

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